Jungo WinDriver  
Official Documentation

◆ WD_DMATransactionUninit

#define WD_DMATransactionUninit (   h,
  pDma 
)     WD_FUNCTION(IOCTL_WD_DMA_UNLOCK, h, pDma, SIZE_OF_WD_DMA(pDma), FALSE)

Unlocks and frees the memory allocated for a DMA buffer transaction by a previous call to WD_DMATransactionInit()

Parameters
[in]hHandle to WinDriver's kernel-mode driver as received from WD_Open().
[in]pDmaPointer to a DMA information structure
Returns
Returns WD_STATUS_SUCCESS (0) on success, or an appropriate error code otherwise

Definition at line 2118 of file windrvr.h.